Medium
Security advisory
libical 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-5824
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 09:46 UTC · Revision 1
Source evidence
libical 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.
osv:CVE-2016-5824
Complete source record
{
"id": "0234805815418241074516a86b2f9a4f021422f89757e4b86fb2a32473aba134",
"url": "https://osv.dev/vulnerability/CVE-2016-5824",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-5824",
"summary": "libical 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.",
"evidence": "osv:CVE-2016-5824",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2016-5824",
"aliases": [
"CVE-2016-5824"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/libical/libical",
"type": "GIT",
"events": [
{
"introduced": "43858141030ba123a4959231cadc9951b983f0fd"
},
{
"last_affected": "43858141030ba123a4959231cadc9951b983f0fd"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:libical_project:libical:1.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.0"
},
{
"last_affected": "1.0"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.0",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-5824.json"
}
}
],
"modified": "2026-10-20T10:47:54.509485037Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2019:0269",
"https://access.redhat.com/errata/RHSA-2019:0270",
"https://security.gentoo.org/glsa/201904-02",
"https://security.gentoo.org/glsa/201904-07",
"https://usn.ubuntu.com/3897-1/",
"https://bugzilla.mozilla.org/show_bug.cgi?id=1275400",
"https://github.com/libical/libical/issues/235",
"https://github.com/libical/libical/issues/251",
"https://github.com/libical/libical/issues/286"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "18.10"
},
{
"last_affected": "18.10"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_desktop",
"extracted_events": [
{
"range": [
{
"introduced": "6.0"
},
{
"last_affected": "6.0"
},
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server",
"extracted_events": [
{
"range": [
{
"introduced": "6.0"
},
{
"last_affected": "6.0"
},
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server_aus",
"extracted_events": [
{
"range": [
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server_eus",
"extracted_events": [
{
"range": [
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server_tus",
"extracted_events": [
{
"range": [
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_workstation",
"extracted_events": [
{
"range": [
{
"introduced": "6.0"
},
{
"last_affected": "6.0"
},
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-5824",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 379819,
"published_at": "2017-01-27T22:59:00.583+00:00"
}